128451258

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 80

約数和(自身を含む): 312482016

約数和(自身を除く): 184030758

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 251, 351, 486, 502, 702, 729, 753, 1053, 1458, 1506, 2106, 2187, 2259, 3159, 3263, 4374, 4518, 6318, 6526, 6561, 6777, 9477, 9789, 13122, 13554, 18954, 19578, 19683, 20331, 28431, 29367, 39366, 40662, 56862, 58734, 60993, 85293, 88101, 121986, 170586, 176202, 182979, 255879, 264303, 365958, 511758, 528606, 548937, 792909, 1097874, 1585818, 1646811, 2378727, 3293622, 4757454, 4940433, 7136181, 9880866, 14272362, 21408543, 42817086, 64225629, 128451258]

約数ペア:

[(1, 128451258), (2, 64225629), (3, 42817086), (6, 21408543), (9, 14272362), (13, 9880866), (18, 7136181), (26, 4940433), (27, 4757454), (39, 3293622), (54, 2378727), (78, 1646811), (81, 1585818), (117, 1097874), (162, 792909), (234, 548937), (243, 528606), (251, 511758), (351, 365958), (486, 264303), (502, 255879), (702, 182979), (729, 176202), (753, 170586), (1053, 121986), (1458, 88101), (1506, 85293), (2106, 60993), (2187, 58734), (2259, 56862), (3159, 40662), (3263, 39366), (4374, 29367), (4518, 28431), (6318, 20331), (6526, 19683), (6561, 19578), (6777, 18954), (9477, 13554), (9789, 13122)]